*{padding:0;margin:0;}
a{text-decoration: none;color: #0C0C0C;}
html{width:100vw;height: 100vh;font-size: 14px; /*给后面的rem用*/}
body{min-width: 360px;background-color:whitesmoke;}
header{
    width:100vw;
    height:5vh;
    background-color: #0C0C0C;
    color:  rgba(250, 250, 250, 0.62);
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    position: fixed;
    top:0;
    /*定位*/
}
img{
    width:100%;
}
header > a{
    color: rgba(250, 250, 250, 0.62);
}
header > a:first-of-type{
    margin-right: auto;
    margin-left: 2rem;
}
header > a:last-of-type{
    margin-right: 2rem;
}
.station{
    float:left;width: 2px;height: 40px; background: #e59f0d;
}
.hrdescr{
    height:1px;
    border:none;
    border-top:1px solid #d9d9d9;
    width: 87vw;
    margin-left: 2rem;
}